Base | Representation |
---|---|
bin | 10010111010110001… |
… | …000101110010100100 |
3 | 1221102200001120020100 |
4 | 102322301011302210 |
5 | 313100201101012 |
6 | 13155400304100 |
7 | 1316245126236 |
oct | 227261056244 |
9 | 57380046210 |
10 | 20313300132 |
11 | 8684368054 |
12 | 3b2aa72030 |
13 | 1bb9581428 |
14 | da9b5c256 |
15 | 7dd5058dc |
hex | 4bac45ca4 |
20313300132 has 36 divisors (see below), whose sum is σ = 51354184336. Its totient is φ = 6770219760.
The previous prime is 20313300131. The next prime is 20313300167. The reversal of 20313300132 is 23100331302.
20313300132 is a `hidden beast` number, since 20 + 313 + 300 + 1 + 32 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×203133001322 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (20313300131) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282003 + ... + 346629.
Almost surely, 220313300132 is an apocalyptic number.
It is an amenable number.
20313300132 is an abundant number, since it is smaller than the sum of its proper divisors (31040884204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20313300132 is a wasteful number, since it uses less digits than its factorization.
20313300132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73368 (or 73363 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 20313300132 its reverse (23100331302), we get a palindrome (43413631434).
The spelling of 20313300132 in words is "twenty billion, three hundred thirteen million, three hundred thousand, one hundred thirty-two".
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